Added HHVM to travis.yml
added countLines method
added contributing guideline
added links
added "digit" as argument type
implemented "digit" type
changed exception message
added optional constraints for fit()
added missing docblock
Merge pull request #177 from Nyholm/patch-1

Added HHVM to travis.yml
added "array" argument type
added polygon drawing
fixed bug in with colorspace convertion
Corrected link to Laravel Integration in Readme.md

New link goes to named anchor at http://image.intervention.io/getting_started/installation#laravel

Old link throws 404 error.
Merge pull request #192 from mikeritter/patch-1

Corrected link to Laravel Integration in Readme.md
moved manipulator route registration to boot() method
CS fixes
String class names are already pointing to root namespace
Adds ImageManagerBasic
Moves laravel dependencies to require-dev/suggest